'''
Created on 2019年5月25日

@author: bkd
'''
import sys  

import PySimpleGUI as sg   

if sys.version_info[0] >= 3:  
    import PySimpleGUI as sg  
else:  
    import PySimpleGUI27 as sg  

layout = [[sg.Text('Your typed chars appear here:'), sg.Text('', key='_OUTPUT_') ],
          [sg.Input(do_not_clear=True, key='_IN_')],
          [sg.Button('Show'), sg.Button('Exit')]]  

window = sg.Window('Window Title', layout)  

while True:  # Event Loop  
    event, values = window.Read()  
    print(event, values)
    if event is None or event == 'Exit':  
        break  
    if event == 'Show':  
        # change the "output" element to be the value of "input" element  
        window.Element('_OUTPUT_').Update(values['_IN_'])

window.Close()
